18329247

素因数分解:

$3^7\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:84

約数の個数: 48

約数和(自身を含む): 30208800

約数和(自身を除く): 11879553

約数列:

[1, 3, 9, 17, 27, 29, 51, 81, 87, 153, 243, 261, 289, 459, 493, 729, 783, 867, 1377, 1479, 2187, 2349, 2601, 4131, 4437, 7047, 7803, 8381, 12393, 13311, 21141, 23409, 25143, 37179, 39933, 63423, 70227, 75429, 119799, 210681, 226287, 359397, 632043, 678861, 1078191, 2036583, 6109749, 18329247]

約数ペア:

[(1, 18329247), (3, 6109749), (9, 2036583), (17, 1078191), (27, 678861), (29, 632043), (51, 359397), (81, 226287), (87, 210681), (153, 119799), (243, 75429), (261, 70227), (289, 63423), (459, 39933), (493, 37179), (729, 25143), (783, 23409), (867, 21141), (1377, 13311), (1479, 12393), (2187, 8381), (2349, 7803), (2601, 7047), (4131, 4437)]